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All results from a given calculation for C5H6 (3-Penten-1-yne, (Z)-)

using model chemistry: wB97X-D/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at wB97X-D/aug-cc-pVTZ
 hartrees
Energy at 0K-194.053160
Energy at 298.15K-194.057716
HF Energy-194.053160
Nuclear repulsion energy141.903351
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at wB97X-D/aug-cc-pVTZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3476 3325 74.88      
2 A' 3199 3060 16.08      
3 A' 3178 3041 3.08      
4 A' 3141 3005 4.45      
5 A' 3043 2911 18.86      
6 A' 2234 2137 8.26      
7 A' 1720 1646 7.18      
8 A' 1483 1418 10.02      
9 A' 1440 1378 7.06      
10 A' 1403 1342 5.98      
11 A' 1275 1220 0.20      
12 A' 1131 1082 0.11      
13 A' 975 933 19.11      
14 A' 913 874 2.33      
15 A' 699 669 41.40      
16 A' 666 638 4.35      
17 A' 388 371 8.78      
18 A' 163 156 0.54      
19 A" 3099 2965 12.55      
20 A" 1492 1427 6.99      
21 A" 1078 1031 1.28      
22 A" 1000 957 0.52      
23 A" 756 723 27.08      
24 A" 667 638 43.55      
25 A" 513 490 17.83      
26 A" 279 267 3.55      
27 A" 117 112 0.77      

Unscaled Zero Point Vibrational Energy (zpe) 19764.2 cm-1
Scaled (by 0.9566) Zero Point Vibrational Energy (zpe) 18906.4 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at wB97X-D/aug-cc-pVTZ
ABC
0.40113 0.11261 0.08937

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 3.095 -0.997 0.000
C2 2.205 -0.417 0.000
C3 1.199 0.233 0.000
H4 0.118 2.074 0.000
C5 0.000 0.998 0.000
H6 -2.060 1.163 0.000
C7 -1.225 0.473 0.000
H8 -0.648 -1.592 0.000
H9 -2.145 -1.240 0.877
H10 -2.145 -1.240 -0.877
C11 -1.549 -0.981 0.000

Atom - Atom Distances (Å)
  H1 C2 C3 H4 C5 H6 C7 H8 H9 H10 C11
H11.06212.25914.27673.68185.58844.56223.78925.31835.31834.6432
C21.06211.19703.24952.61974.54763.54273.08504.51324.51323.7956
C32.25911.19702.13541.42273.38912.43572.59643.75813.75813.0042
H44.27673.24952.13541.08252.36062.09003.74544.10774.10773.4806
C53.68182.61971.42271.08252.06621.33262.67003.22163.22162.5134
H65.58844.54763.38912.36062.06621.08373.09612.55932.55932.2047
C74.56223.54272.43572.09001.33261.08372.14382.13272.13271.4897
H83.78923.08502.59643.74542.67003.09612.14381.77111.77111.0884
H95.31834.51323.75814.10773.22162.55932.13271.77111.75431.0918
H105.31834.51323.75814.10773.22162.55932.13271.77111.75431.0918
C114.64323.79563.00423.48062.51342.20471.48971.08841.09181.0918

picture of 3-Penten-1-yne, (Z)- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H1 C2 C3 179.764 C2 C3 C5 179.685
C3 C5 H4 116.285 C3 C5 C7 124.223
H4 C5 C7 119.492 C5 C7 H6 117.176
C5 C7 C11 125.793 H6 C7 C11 117.031
C7 C11 H8 111.565 C7 C11 H9 110.461
C7 C11 H10 110.461 H8 C11 H9 108.652
H8 C11 H10 108.652 H9 C11 H10 106.910
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.301      
2 C -1.226      
3 C 1.182      
4 H 0.318      
5 C -0.212      
6 H 0.381      
7 C -0.722      
8 H 0.278      
9 H 0.241      
10 H 0.241      
11 C -0.781      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.879 -0.212 0.000 0.904
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.986 -2.043 0.000
y -2.043 -28.615 0.000
z 0.000 0.000 -32.933
Traceless
 xyz
x 4.788 -2.043 0.000
y -2.043 0.845 0.000
z 0.000 0.000 -5.633
Polar
3z2-r2-11.266
x2-y22.629
xy-2.043
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 13.217 -0.454 0.000
y -0.454 8.433 0.000
z 0.000 0.000 6.418


<r2> (average value of r2) Å2
<r2> 132.077
(<r2>)1/2 11.492